If your legs feel heavy, your feet swell by afternoon, or you experience tingling, numbness, or coldness in your lower limbs, you may be dealing with poor circulation—a common but often overlooked issue that affects millions, especially as we age.
While conditions like peripheral artery disease (PAD), diabetes, or chronic venous insufficiency are major medical causes, nutrition plays a powerful supporting role. And among all vitamins, Vitamin B3 (niacin) stands out as one of the most effective natural allies for improving blood flow to the legs and feet.
But before
